* {
    margin: 0;
    padding: 0;
    list-style: none;
}

.main {
    width: 100vw;

    .head {
        width: 100vw;
        height: 80px;

        .logo {
            width: 330px;
            height: 80px;
            display: inline-block;
        }

        .search-box {
            width: 500px;
            height: 80px;
            position: absolute;
            top: 18px;
            right: 0;

            #search-button {
                padding: 2px 10px;
                background-color: #DF0012;
                border: none;
                border-radius: 7px;
                text-align: center;
                color: #fff;
                letter-spacing: 5px;
                cursor: pointer;
            }
        }
    }

    .index-nav {
        width: 100vw;
        height: 50px;
        margin-top: 20px;
        background-color: #F5F5F5;
        box-shadow: 5px 3px 10px rgba(0, 0, 0, 0.3);

        &>ul {
            width: 100vw;
            height: 50px;
            float: left;

            &>li {
                width: calc(100vw / 8 - 15px);
                height: 50px;
                margin: 0 5px;
                display: inline-block;
                text-align: center;
                line-height: 50px;
                cursor: pointer;
                color: #000;
                position: relative;
            }

            &>li:hover {
                background: linear-gradient(#9E0B0B, #E37E04);
                cursor: pointer;
                color: #fff;
            }

            .hover-box {
                display: none;
                width: 100%;
                height: auto;
                position: absolute;
                top: 48px;
                left: 0;
                background-color: rgba(0, 0, 0, 0.3);
                padding-bottom: 10px;

                li {
                    width: 100%;
                    height: 35px;
                    color: #fff;
                    margin: 7.5px 0;
                    line-height: 30px;

                    &:hover {
                        background-color: #f5f5f5;
                        color: #000;
                    }
                }
            }

            &>li:hover .hover-box {
                display: block;
            }
        }
    }

    .swiper {
        width: 100vw;
        height: 48vh;
        margin-top: 15px;
    }

    .introduction {
        background-color: #F5F5F5;
        padding-top: 15px;
        position: relative;
        width: 100vw;
        height: 24vh;
        border-radius: 40px;
        &>div {
            height: 24vh;
            display: inline-block;
            width: calc(100vw / 3 - 30px);
            position: absolute;
            top: 20px;
            left: 20px;
            &>p {
                margin-top: 10px;
                margin-left: 10px;
                font-size: 25px;
                font-weight: bold;

                span:nth-child(1) {
                    color: red;
                }

                span:nth-child(2) {
                    color: gray;
                    font-size: 16px;
                }
            }
        }

        &>div:nth-child(1) {
            &>img+span {
                display: inline-block;

            }

            &>img {
                width: 82px;
                height: 88px;
            }

            &>span {
                width: calc(100% - 100px);
                font-size: 14.5px;
                color: #444;
            }
        }

        &>div:nth-child(2) {
            left: calc(100vw / 3 + 10px);

            ul {
                margin-left: 25px;
                color: #444;
            }

            li {
                list-style: disc;
                color: #444;
            }

        }

        &>div:nth-child(3) {
            left: calc(100vw / 3 * 2);

            &>div {
                width: 100%;

                &>div {
                    border: 1px solid #ccc;
                    margin: 0 5px;
                    width: 30%;
                    height: 120px;
                    float: left;

                    img {
                        display: block;
                        width: 60px;
                        height: 60px;
                        margin: 0 auto;
                        margin-top: 10px;
                    }

                    p {
                        text-align: center;
                        margin-top: 25px;
                    }
                }

            }

            .telephone {
                width: 100%;

                img {
                    margin-left: 80px;
                    margin-top: 15px;
                    width: 70px;
                    height: 50px;
                }

                span {
                    display: inline-block;
                    width: calc(100% - 160px);
                    position: relative;
                    top: -10px;
                }
            }
        }
    }
    .footer{
        margin-top: 20px;
        text-align: center;
    }
}